The Turnbuckle, cataloged under National Stock Number 5340-01-599-4903, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Midwest Control Products Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-599-4903 |
| Primary Part Number | 25078-#4ZC |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Midwest Control Products Corp |
| Status | ACTIVE |
| Take-Up Distance | 17.86 INCHES NOMINAL IN |
| Length | 17.86 INCHES NOMINAL IN |
| End Style | DRILLED LUG AND DRILLED LUG |
| Material Document and Classification | ASME Y14.100 NATIONAL SPEC ALL MATERIAL RESPONSES AND ASME Y14.5M-1994 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 4292317 | Amz Alabama Inc. (USA) |
| 25078-#4ZC PRIMARY | Midwest Control Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 4292317 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5340-01-599-4903 is a Turnbuckle, manufactured by Midwest Control Products Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-599-4903 has 2 manufacturer part numbers on file: 4292317 (Amz Alabama Inc.), 25078-#4ZC (Midwest Control Products Corp).
Key specifications for 25078-#4ZC: Take-Up Distance: 17.86 INCHES NOMINAL IN; Length: 17.86 INCHES NOMINAL IN; End Style: DRILLED LUG AND DRILLED LUG; Material Document and Classification: ASME Y14.100 NATIONAL SPEC ALL MATERIAL RESPONSES AND ASME Y14.5M-1994 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.